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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD1981BBSTZ датащи(PDF) 1 Page - Analog Devices |
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AD1981BBSTZ датащи(HTML) 1 Page - Analog Devices |
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1 / 32 page  AC ’97 SoundMAX® Codec AD1981B Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2005 Analog Devices, Inc. All rights reserved. AC ’97 2.3 COMPATIBLE FEATURES S/PDIF output, 20-bit data format, supporting 48 kHz and 44.1 kHz sample rates Integrated stereo headphone amplifier Variable sample rate audio External audio power-down control >90 dB dynamic range Stereo full-duplex codec 20-bit PCM DAC 3 analog line-level stereo inputs for line-in, AUX, and CD Mono line-level phone input Dual MIC input with built-in programmable preamplifier High quality CD input with ground sense Mono output for speakerphone or internal speaker power management support 48-lead LQFP package, Pb-free available ENHANCED FEATURES Stereo MIC preamplifier support Built-in digital equalizer function for optimized speaker sound Full-duplex variable sample rates from 7040 Hz to 48 kHz with 1 Hz resolution Jack sense pins for automatic output switching Software-programmed VREFOUT output for biasing microphone and external power amplifier Split power supplies: 3.3 V digital and 5 V analog Multiple codec configuration options FUNCTIONAL BLOCK DIAGRAM A M MIC1 MIC2 PHONE_IN CD_L CD_GND CD_R AUX_L AUX_R LINE_IN_L MIC PREAMP MONO_OUT HP_OUT_L HP MZ LINE_OUT_L MZ LINE_OUT_R HP_OUT_R HP G = GAIN A = ATTENUATION M = MUTE Z = HIGH Z GA PCM FRONT DAC RATE M M PCM L/R ADC RATE G LINE_IN_R CODEC CORE EAPD PLL XTL_OUT XTL_IN SPDIF SPDIF TX ID0 ID1 RESET ADC AND DAC SLOT LOGIC SYNC BIT_CLK SDATA_OUT SDATA_IN JS0 JS1 EAPD AD1981B G G A M A A A M M GA M GA M GA M GA M GA M GA M GA M GA M M GA M M EQ EQ G G M G M G ANALOG MIXING CONTROL LOGIC AC '97 CONTROL REGISTERS VREFOUT VREF 16-BIT Σ-∆ ADC 16-BIT Σ-∆ ADC 16-BIT Σ-∆ ADC 16-BIT Σ-∆ ADC 20-BIT Σ-∆ DAC 20-BIT Σ-∆ DAC CD DIFF AMP VOLTAGE REFERENCE Figure 1. |
Аналогичный номер детали - AD1981BBSTZ |
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Аналогичное описание - AD1981BBSTZ |
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